Implement strtok_r.

1 files changed, 15 insertions, 5 deletions

diff --git a/src/lib/libc/string/strtok.c b/src/lib/libc/string/strtok.c
index 2fce04c3ad..d925dc75d0 100644
--- a/src/lib/libc/string/strtok.c
+++ b/src/lib/libc/string/strtok.c
@@ -32,7 +32,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: strtok.c,v 1.2 1996/08/19 08:34:28 tholo Exp $";
+static char *rcsid = "$OpenBSD: strtok.c,v 1.3 1999/11/09 11:19:46 art Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <string.h>
@@ -42,13 +42,23 @@ strtok(s, delim)
         register char *s;
         register const char *delim;
 {
+        static char *last;
+
+        return strtok_r(s, delim, &last);
+}
+
+char *
+strtok_r(s, delim, last)
+        register char *s;
+        register const char *delim;
+        char **last;
+{
         register char *spanp;
         register int c, sc;
         char *tok;
-        static char *last;
 
 
-        if (s == NULL && (s = last) == NULL)
+        if (s == NULL && (s = *last) == NULL)
                 return (NULL);
 
         /*
@@ -62,7 +72,7 @@ cont:
         }
 
         if (c == 0) {           /* no non-delimiter characters */
-                last = NULL;
+                *last = NULL;
                 return (NULL);
         }
         tok = s - 1;
@@ -80,7 +90,7 @@ cont:
                                         s = NULL;
                                 else
                                         s[-1] = 0;
-                                last = s;
+                                *last = s;
                                 return (tok);
                         }
                 } while (sc != 0);